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- <?xml version="1.0" encoding="utf-8"?>
- <!--
- Copyright 2012 Eric Niebler
- Distributed under the Boost
- Software License, Version 1.0. (See accompanying
- file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
- -->
- <header name="boost/proto/functional/range/empty.hpp">
- <para>Includes Proto callable <code><classname>boost::proto::functional::empty</classname></code>.</para>
- <namespace name="boost">
- <namespace name="proto">
- <namespace name="functional">
- <!-- proto::functional::empty -->
- <struct name="empty">
- <purpose>A <conceptname>PolymorphicFunctionObject</conceptname> type that invokes the
- <code>boost::empty()</code> function on its arguments.</purpose>
- <description>
- <para>
- A <conceptname>PolymorphicFunctionObject</conceptname> type that invokes the
- <code>boost::empty()</code> function on its arguments.</para>
- </description>
- <inherit>
- <type><classname>proto::callable</classname></type>
- </inherit>
- <typedef name="result_type">
- <type>bool</type>
- </typedef>
- <method-group name="public member functions">
- <method name="operator()" cv="const">
- <type>bool</type>
- <template>
- <template-type-parameter name="Range"/>
- </template>
- <parameter name="rng">
- <paramtype>Range const &</paramtype>
- </parameter>
- <returns>
- <para><code>boost::empty(rng)</code></para>
- </returns>
- </method>
- </method-group>
- </struct>
- </namespace>
- </namespace>
- </namespace>
- </header>
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